18906114 has 16 divisors (see below), whose sum is σ = 37880928. Its totient is φ = 6290592.

The previous prime is 18906067. The next prime is 18906131. The reversal of 18906114 is 41160981.

It is a super-2 number, since 2×18906114² = 714882293161992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149 + ... + 6255.

It is an arithmetic number, because the mean of its divisors is an integer number (2367558).

Almost surely, 2^18906114 is an apocalyptic number.

18906114 is an abundant number, since it is smaller than the sum of its proper divisors (18974814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18906114 is a wasteful number, since it uses less digits than its factorization.

18906114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 18906114 is about 4348.1161438030. The cubic root of 18906114 is about 266.3999204159.

The spelling of 18906114 in words is "eighteen million, nine hundred six thousand, one hundred fourteen".